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Connectivity

24

Fiber Optic Port

LEDs

The port indicators on the AT-4016F front panel provide visual diagnostic 
and activity information for network analysis. Each Fiber Optic port 
supports the following indicator functions with three front panel LEDs per 
port, arranged in a central bank as shown in Figure 20. 

LINK (Solid Green)—This indicates that the particular port has a valid 
link and is not partitioned.

LINK (Amber)—This indicates that the particular port does not have a 
valid link or it is partitioned.

RECEIVE (Flashing Green)—This indicates that the port is receiving 
Ethernet packets.

COLLISION (Flashing Amber)—This LED will flicker to indicate packet 
collisions. Although occasional collisions are normal in Ethernet networks, 
excessive collisions are an indication of possible segment problems. A 
constantly illuminated Collision LED may indicate that there is a port 
problem, cabling problem, or excessive traffic problem. 

If you believe there are excessive packet collisions, then you are advised to 
consider Omega management for additional information such as the 
amount of transmitted packets instead of collisions.

Figure 20: Port Indicators

Содержание AT-4016F/SC

Страница 1: ...CentreCOM AT 4016F ST AT 4016F SC Ethernet Switch with ATM Access Installation Manual...

Страница 2: ...st profits arising out of or related to this manual or the information contained herein even if Allied Telesyn International Corporation has been advised of known or should have known the possibility...

Страница 3: ...ER DANGER DO NOT WORK on equipment or CABLES during periods of LIGHTNING ACTIVITY CAUTION POWER CORD IS USED AS A DISCONNECTION DEVICE TO DE ENERGISE EQUIPMENT disconnect the power cord INSTALLATION E...

Страница 4: ...082 1 Elektrisk sikkerhed EN60950 UL1950 CSA 950 SIKKERHED ELEKTRISKE FORHOLDSREGLER ADVARSEL RISIKO FOR ELEKTRISK ST D For at forebygge ELEKTRISK st d undlad at bne apparatet Der er ingen indre dele...

Страница 5: ...ten minste 6 amp re 250 V uit HAR vervaardigd met aan het ene uiteinde een gevormde IEC 320 stekker en aan het andere uiteinde een stekker die goedgekeurd is door het land waar het toestel zal worden...

Страница 6: ...turvallisuus EN60950 UL1950 CSA 950 TURVALLISUUS S HK N LIITTYVI HUOMAUTUKSIA VAROITUS S HK ISKUVAARA Est ksesi S HK ISKUN l poista kantta Sis ll ei ole k ytt j n huollettavissa olevia osia T m laite...

Страница 7: ...O Usare un cavo della lunghezza massima di metri 4 5 con capacit minima di 6 A 250 V di filo HAR dotato di connettore stampato IEC 320 ad un estremit e di spina approvata dal paese di destinazione all...

Страница 8: ...o por um t cnico qualificado e treinado Para evitar a possibilidade de CHOQUE EL TRICO desconecte o aparelho da fonte de energia el trica antes de conectar e desconectar os cabos da LAN Este um Produt...

Страница 9: ...BRE EL CABLE Use un cable el ctrico con un m ximo de 4 5 metros de largo con una capacidad m nima de 6 amperios 250 V hecho de cable HAR con el conector moldeado IEC 320 en un extremo y con un enchufe...

Страница 10: ...imum 6 amp nominal 250V av HAR kabelfabrikat med ett specialutformat IEC 320 kontaktdon i ena nden och i den andra en plugg som godk nts i landet d r produkten anv nds VARNING Luftventilerna f r ej bl...

Страница 11: ...Chapter 1 Overview AT 4016F Ethernet Switch with ATM Access 1 Features 2 ATI s Solution 3 MIB Support 6 Ethernet to Ethernet Switch 6 ATM Addresses 6 Network Prefix 6 Selector Byte 7 MAC Address 7 Tw...

Страница 12: ...CIA Interface 21 ATM Media Interface 21 LED Displays 22 System Status LEDs 22 Power Supply LEDs 23 Fiber Optic Port LEDs 24 ATM Interface LEDs 25 ATM Port LEDs 25 Alarms LEDs 25 LOOP LEDs 25 ATM Media...

Страница 13: ...et bandwidth on each of sixteen 16 FOIRL 10BASE FL Fiber Optic ports with a 155 Mbps Asynchronous Transfer Mode ATM Fiber Optic port for Ethernet to ATM connectivity They differ only by the type of Et...

Страница 14: ...can be either Entry or Exit Note A note provides additional information about or possible consequence of a specific action you can perform Related Documentation You may find the following networking...

Страница 15: ...can contact ATI s Technical Support staff by Telephone Bulletin board services Electronic mail via the Internet CompuServe forum When you contact Technical Support you should have the following infor...

Страница 16: ...ternet Mail You can send electronic mail via the Internet to tech_support centre com CompuServe Forum ATI has a forum on CompuServe You can reach us by typing GO ALLIED at the CompuServe prompt World...

Страница 17: ...stem AT 4016F Ethernet Switch with ATM Access This manual describes both the AT 4016F SC and the AT 4016F ST hardware platforms While these platforms are identical in form and function they differ onl...

Страница 18: ...Synchronous Optical Network SONET OC 3c or SDH STM 1 ATM physical media modules that allow various media choices multimode fiber SC connectors single mode fiber SC connectors Level 5 UTP 100 STP Sign...

Страница 19: ...ution is straightforward First If your LAN is out of bandwidth then you can use your AT 4016F to convert your legacy shared media traffic to a dedicated 10 Mbps for each port Next Use ATM functionalit...

Страница 20: ...of an AT 4016F ST Figure 4 shows the Ethernet to ATM modular media interface which is located on the back panel Both the AT 4016F SC and the AT 4016 ST have identical back panels Figure 3 AT 4016F ST...

Страница 21: ...additional ATM Physical Media Modules separately for different media requirements Table 2 shows the suffixes and separate model numbers for ATM Media Modules Table 2 ATM Media Modules 1 Available 2Q96...

Страница 22: ...or to limit multicast traffic In short the user programmable capabilities of your switch can be used to establish virtual LANs which in turn allows physical segments to be dynamically assigned to logi...

Страница 23: ...s 01 LEC for ELAN 1 network prefix MAC address 02 LEC for ELAN 2 network prefix MAC address 0x40 LEC for ELAN 64 These ATM addresses are used to join ELANs 01 through 64 hex 40 MAC Address A basic MAC...

Страница 24: ...ck CRC errors before forwarding a packet Store and Forward Store and forward means that your AT 4016F stores the incoming packet as it receives it until it has the entire packet and then forwards it S...

Страница 25: ...wever if the packet s source and destination address are on the same network segment known as local traffic the packet is automatically discarded ignored The AT 4016F creates and maintains a dynamic d...

Страница 26: ...T 4016F can store up to 2 048 static and dynamic entries in its Bridge Address Table AT 4016F User Topology As defined by the ATM Forum the AT 4016F offers interoperability with Ethernet hosts and oth...

Страница 27: ...able allows easy conversion from one type of connector to the other This cable is a one meter duplex fiber optic cable with ST connectors on one end and SMA connectors on the other Figure 8 shows the...

Страница 28: ...ctors represent for many individuals an improvement over ST connectors in that they have a lock proof mechanism Figure 10 shows the front panel of an AT 4016F SC Figure 11 shows an SC connector matrix...

Страница 29: ...tation would revert to the lesser distance of 1 km 3 280 ft Duplex Fiber Optic Cable Both 62 5 125 micron and 50 125 micron duplex optical fiber cable is supported Duplex refers to support for fiber o...

Страница 30: ...etwork Management All units come equipped with firmware installed network management agents Additional information about AT 4016F network management can be found under the separate document CentreCOM...

Страница 31: ...f non condensing humidity While the AT 4016F has internal fans to aid in cooling for the fans to function correctly you must provide 50 to 75 mm 2 to 3 in clearance around the ventilation openings The...

Страница 32: ...ta cables into the AT 4016F and the network device DTE The Link Status indicator for each connected port will illuminate 4 Please refer to the troubleshooting section of this manual if any on line LED...

Страница 33: ...lower right corner of the AT 4016F front panel see Chapter 3 for details 2 Leaving the AC power cord attached loosen the two screws that secure the power supply you want to replace see Figure 13 Atten...

Страница 34: ...current ATM Media Module If no ATM Media Module is currently installed skip this step 3 Unscrew the screws at the outer edges of the current module s faceplate or blank faceplate if no module is curre...

Страница 35: ...The first two sections cover the layout of the front and back panels The rest of the chapter covers the functionality of the different components connectors indicators and switches Front Panel An AT 4...

Страница 36: ...nostic LEDs Network Loading indicators ATM Port indicators Individual Fiber Optic Port Interface indicators ATM Media Alarms and Power Supply indicators Back Panel An AT 4016TR SC back panel is shown...

Страница 37: ...software If a PCMCIA firmware card is installed before a reset or power up sequence the AT 4016F boots from the PCMCIA card Otherwise it boots from internal Flash RAM For further details see CentreCOM...

Страница 38: ...nterface indicators show status and alarm information about the ATM Physical Interface System Status LEDs Network Load Green Indicates approximately how much of the switch s capacity is being used dep...

Страница 39: ...resent 2 Green Indicates Power Supply 2 is installed PS Fail 1 Amber Indicates Power Supply 1 has failed This means that there is either an inadequate or nonexistent amount of AC voltage PS Fail 2 Amb...

Страница 40: ...a valid link or it is partitioned RECEIVE Flashing Green This indicates that the port is receiving Ethernet packets COLLISION Flashing Amber This LED will flicker to indicate packet collisions Althou...

Страница 41: ...e system is rebooting or there is a signal failure condition at the source YELLOW Amber A YELLOW Alarm on the ATM Physical Interface indicates to the AT 4016F source device has a signal failure condit...

Страница 42: ...ING Green This indicates the timing source of the ATM Media Transmit TX signal This source can be either INTERNAL or LOOP INTERNAL The TX signal timing is derived from an internal time base The AT 401...

Страница 43: ...Figure 23 this switch is recessed to avoid inadvertent activation To press the switch insert the tip of a pen or similar object into the access hole The Reset switch initiates the same diagnostic self...

Страница 44: ......

Страница 45: ...ted courses of action in response to specified LED indicator conditions Power Supply LEDs If PS Fail 1 or PS Fail 2 lights up you may have a failure in one of the removable power supplies Replace the...

Страница 46: ......

Страница 47: ...activities ATTACHMENT UNIT INTERFACE AUI Connection between a MAU transceiver and a DTE typically a workstation Includes a 15 pin D sub connector and sometimes a 15 conductor twisted pair cable Maxim...

Страница 48: ...ld be two transmitters on one pair and no receiver As a solution the crossover cable crosses the TD pair with the RD pair to connect the TD pins on one end to the RD pins at the other end CYCLIC REDUN...

Страница 49: ...irable and must be minimized LAN See Local Area Network LAN EMULATION Methodology for mimicking the appearance of a LAN by rendering the ATM switching fabric invisible to the user enables user interfa...

Страница 50: ...n to propagate a relatively low intensity signal Class 3 or equivalent NETWORK SERVICES ACCESS POINT NSAP OSI generic standard for a network address consisting of 20 octets ATM has specified E 164 for...

Страница 51: ...rotocol that generally uses the User Datagram Protocol UDP to exchange messages between a management information base and a management client residing on a network Since SNMP does not rely on the unde...

Страница 52: ...logy TCP IP is also popular among PC users particularly as a means of communication with large multi user computers TELCO CONNECTOR A 50 pin receptacle that plugs into the front of the hub enabling ca...

Страница 53: ..._____________ Conditions List the steps that led up to the problem ___________________________ ____________________________________ ____________________________________ _______________________________...

Страница 54: ......

Страница 55: ...______ I found the following the most valuable _________________________________________________________________ _________________________________________________________________ _____________________...

Страница 56: ......

Страница 57: ...4 717 0290 Fax 404 717 0806 Salt Lake City UT Tel 801 350 9130 Fax 801 350 9051 Vienna VA Tel 703 506 0196 Fax 703 506 1986 Chicago IL Tel 708 406 8431 Fax 708 406 8462 Austin TX Tel 512 502 3087 Fax...

Страница 58: ......

Страница 59: ...top 15 compliance IEEE 802 3 13 14 CompuServe forum xv connectivity 19 connectors straight tip ST 1 2 subscriber channel SC 1 2 E Electronic xv electronic mail xv H hot swapping 17 I indicators 25 26...

Страница 60: ...lacing power supply 17 hot swapping 17 RS232 serial port 20 S serial port 20 signaling 2 site preparation 15 station ports fiber optic 20 support contacting technical xv switches 27 synchronous optica...

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